package com.itfreer.gis.server.mercator;

/**
 * WGS84坐标参数
 */
public class WGS84 {
	/**
	 * Equatorial radius of earth is required for distance computation.
	 */
	public static final double EQUATORIALRADIUS = 6378137.0;

	/**
	 * Polar radius of earth is required for distance computation.
	 */
	public static final double POLARRADIUS = 6356752.3142;

	/**
	 * The flattening factor of the earth's ellipsoid is required for distance
	 * computation.
	 */
	public static final double INVERSEFLATTENING = 298.257223563;

}
